more qr help!

Discussion in 'DAT Discussions' started by heywhatsup, Aug 6, 2006.

  1. heywhatsup

    heywhatsup Junior Member
    5+ Year Member

    Joined:
    Feb 24, 2006
    Messages:
    43
    Likes Received:
    0
    Status:
    Pre-Dental
    this question is very tricky and of course you may think the ans is an obvious one but of course its not. can anyone explain how to do this one?

    At a convention of dentists, 1000 dentists are from the west coast. one hundred are women;60 of the women are not from the west coast. how many male dentists are from the west coast?

    a. 850
    b. 800
    c. 900
    d. 960
    e. 940

    please explain how to go about this..thanks!!
     
  2. Note: SDN Members do not see this ad.

  3. dat_student

    dat_student Junior Member
    5+ Year Member

    Joined:
    Apr 4, 2005
    Messages:
    2,068
    Likes Received:
    0
    1000 from West

    100 - 60 = 40 women from West

    1000 (from west) - 40 (women from west) = 960 men from west
     
  4. heywhatsup

    heywhatsup Junior Member
    5+ Year Member

    Joined:
    Feb 24, 2006
    Messages:
    43
    Likes Received:
    0
    Status:
    Pre-Dental
    if they are asking how many men are from the west coast why do we care about how many women are from the west or not?
     
  5. dat_student

    dat_student Junior Member
    5+ Year Member

    Joined:
    Apr 4, 2005
    Messages:
    2,068
    Likes Received:
    0
    people from W. are either men or women. you know the total # of people from W. and you know how many of those are women. So, number of men from W. = total # of people from W. MINUS # of women from W.
     
  6. DMD to Be

    DMD to Be not luffin' this weather.
    5+ Year Member

    Joined:
    Mar 22, 2006
    Messages:
    387
    Likes Received:
    0
    Status:
    Pre-Dental
    I would go with D as well. The wording of the problem is bad. It states that 1000 dentists are from the west coast, and then says 100 are women. This implies that 100 of the 1000 dentists are women FROM THE WEST COAST. But, the next sentence says that of those 100, only 40 are actually from the west coast. If there are 1000 dentists (male + female) and we know that only 40 of those are women, then....

    1000 - 40 = 960.
     
  7. dat_student

    dat_student Junior Member
    5+ Year Member

    Joined:
    Apr 4, 2005
    Messages:
    2,068
    Likes Received:
    0
    exactly. you explained it better. Thanks :)
     
  8. heywhatsup

    heywhatsup Junior Member
    5+ Year Member

    Joined:
    Feb 24, 2006
    Messages:
    43
    Likes Received:
    0
    Status:
    Pre-Dental
    you are very right about the wording being bad.
    but since they are asking about the number of "men" dentists only, don't you think having 100 women eliminates the question afterwards??
     
  9. lintydent

    lintydent member
    2+ Year Member

    Joined:
    Jul 24, 2006
    Messages:
    56
    Likes Received:
    0
    Status:
    Pre-Dental

    now your question doesn't make sense. They're asking about only men. And they give you total number of west coasters in a room full of maybe a billion people. 1000 west coast. 40 are women from west coast. So now that leaves 960 men from west coast.
     
  10. xdesigninc

    xdesigninc New Member

    Joined:
    Jul 5, 2006
    Messages:
    3
    Likes Received:
    0
    Do you guys realize that the question ask "how many male dentists are from the west coast?" and seein ghow it says that there are 100 females, shouldn't the answer just be 1000-100 = 900. cause 960 would be all the dentists( male + female ).
     
  11. slayerdeus

    slayerdeus Member
    2+ Year Member

    Joined:
    Jul 19, 2006
    Messages:
    61
    Likes Received:
    0
    Status:
    Pre-Dental
    Nope. 1000 dentists out of many more attending the convention are from the west coast (not total). Then it says that there are 100 females total, 40 are from the west coast, 60 are not. So how many males at the convention are from the west coast?

    1000 (male + female west coasters) - 40 (female west coasters) = 960 (male west coasters)

    Wording is tricky, but you should define each number and give it a "unit".
     
  12. lintydent

    lintydent member
    2+ Year Member

    Joined:
    Jul 24, 2006
    Messages:
    56
    Likes Received:
    0
    Status:
    Pre-Dental
    I think you're interpreting the question as of the 1000 west coasters 100 are female...which is not true. There are 100 females out of the total number of people at the convention....which they don't give. So the answer is 960 as explained.
     
  13. heywhatsup

    heywhatsup Junior Member
    5+ Year Member

    Joined:
    Feb 24, 2006
    Messages:
    43
    Likes Received:
    0
    Status:
    Pre-Dental

    yes! thats exactly why i asked this question. its worded in the worse way possible.
     

Share This Page